prettyPrintOne was not halting. This was not
reachable through the normal entry point.
is no longer applicable.Caveats: please properly escape less-thans. x<y instead of x<y, and use " instead of " for string delimiters.
lang-<language-file-extension>'''string'''
/ in regex [charsets] should not end regex
nocode spans to allow embedding of line
numbers and code annotations which should not be styled or otherwise
affect the tokenization of prettified code.
See the issue 22 testcase.